Optical lens



FIG. 1 is a perspective view of an optical lens, showing my new design;

FIG. 2 is a side view thereof, all side being the same;

FIG. 3 front end view thereof;

FIG. 4 is back end view thereof;

FIG. 5 is a perspective view of an optical lens, showing an alternate embodiment of my new design;

FIG. 6 is a side view of the alternate embodiment of FIG. 5, all side being the same;

FIG. 7 front end view of the alternate embodiment of FIG. 5; and,

FIG. 8 is back end view of the alternate embodiment of FIG. 5. 

The ornamental design for an optical lens, as shown and described. 